TM-9-2320-361-34

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

MAY 1992

TM-9-2320-361-34 - Page 661 of 764

TM 9-2320-361-34

I

17-7. ENGINE COOLANT HEATER

OVERHEAT SWITCH

AND IGNITER REPLACEMENT (Contd)

d. Igniter Installation

CAUTION

Igniter is fragile. Use care when installing igniter. Failure to do

so may result in damage to equipment.

1. Install gasket (18) and new igniter (13) on burner (9).

2. Place preheater resistor strap (10) on igniter (13) and install with two nuts (11) and (12).

3. Install lockwasher (22) and ground strap (15) on stud (23) with nut (21).

4. Install ground strap (15), igniter lead (16), and lockwasher (17) on burner (9) with screw-assembled

lockwasher (14).

5. Install end plate (19) on heater housing (8) with four nut-assembled lockwashers (20).

e. Overheat Switch Installation

1. Install O-ring (7), washer (6), overheat switch (5), and retainer (24) on heater housing (8) with

lockwasher (25) and nut (26).

2. Install leads (2) and (4) on tab connector (3) and install tab connector (3) on overheat switch (5).

3. Install lead (1) on overheat switch (5).

4. Install air tube (29), elbows (26) and (30), and ground lead (28) on heater housing (8) with nut-

assembled lockwasher (27).

5. Install guard (32) on heater housing (8) with four screws (31).

17-18